new jersey governor chris christie was introduced for barbara walters ten most fascinating people list. he is high on the list for many republicans to run in 2016. christie hasn't ruled out a run and asked by walters if thinks health should be a concern for voters. >> there are people who say that you couldn't be president because you're so heavy. what do you say to them? >> that's ridiculous. i mean that's ridiculous. i mean i don't know what the basis for that is. >> they're worried about your health. >> well, i've done this job pretty well. i think people watched me for the last number of weeks in hurricane sandy doing 18-hour days and getting right back up the next day and being as effective in the job. i don't think that will be a problem. >> christie pushed back against the on going criticism that his appearances with president obama in the wake of hurricane sandy may have hurt mitt romney on election day. >> people said you helped him win. is this unfair criticism? >> i was doing my job. i'm a governor of the state of new jersey. he offered to help. and so you bet i'm going to t